| 摘要 |
PURPOSE:To obtain the radio telephone system for enabling communication without converting data to audio signals and for preventing the battery of a radio terminal from being exhausted during data communication. CONSTITUTION:A communication I/F unit 9 is provided inside a charger for radio telephone terminal, data communication is performed with an external data terminal 12, and the radio telephone terminal controls a charging circuit 10 through the communication I/F unit 9. Thus, a suitable charging current corresponding to a state can be provided. |
